.B1 File Extension

Catalina Group
File Type:
B1 Compressed Archive

Having trouble opening .b1 extension? Don't panic! This page explains what b1 files are as well as suggests programs you may use to open b1 files. You can download these programs through this page.

What is a B1 file?

B1 file extension has B1 Compressed Archive file type, developed by Catalina Group, which is associated with the "compressed files" category.

B1 Free Archiver is a free tool for compressing files. Its archives are saved with this extension, which is based on the .LZMA format. To extract archived files, you will need B1 Free Archiver.   

To learn how you can open the given file, read the information below.

b1 file icon
Catalina Group
File Type:
B1 Compressed Archive
Compressed Files

How to open B1 file?

Double click the b1 file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .b1 extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the b1 extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the b1 file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open B1 files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the b1 file as well. Download Universal File Viewer for your OS.

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